Sean Hayden is a Canadian composer of music for film, television, advertising, and video games. Based in Toronto, his credits include the Amazon Prime animated series Gary & His Demons, MasterChef and MasterChef Junior (Fox), NOVA (PBS), Life Below Zero: First Alaskans (National Geographic), Welcome to Wrexham (FX), Dateline, 20/20, Arctic Ascent (National Geographic), and the video game MLB The Show. He has composed music for national advertising campaigns including Budweiser's Super Bowl 2018 campaign, Nissan, Ford, Gatorade, and Tim Horton's.

Hayden grew up in South Surrey, British Columbia, and studied at Selkirk College and Berklee College of Music. He was the head in-house composer at Toronto's Eggplant Music + Sound before establishing his independent practice. He is the founder of Daisy Dog Music and S2pd Audio.